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Mostrando ítems 471-480 de 585
Estudo de inibidores naturais e sintéticos de cisteíno proteases
(Universidade Federal de São Carlos, 2018-11-30)
This work describes in its first part the chemical study of the fungus Fusarium proliferatum looking for inhibitors of cysteine proteases, with two distinct approaches: i) The search for papain inhibitors, to understand ...
Análise dos méis de abelhas do gênero Melipona (abelhas sem ferrão) através de LC-SPE/NMR, LC-BPSU/NMR e RMN aliada à quimiometria.
(Universidade Federal de São Carlos, 2015-05-07)
In Brazil, there are approximately 200 species of stingless bees, especially in the Amazon region. The Melipona seminigra and the M. interrupta are species that stand out in Central Amazon, since they are abundant and have ...
Complexos metálicos luminescentes com ácidos fenólicos coordenados: alvos seletivos a mitocôndrias e mapeamento da atividade antioxidante in vitro e in vivo por técnicas fluorescentes
(Universidade Federal de São Carlos, 2017-11-16)
In this work, the syntheses and characterizations of the complexes are presented, cis-[Mg(phen)(iso)(H2O)3](CH3COO) and [Mg(RPA)(iso)(H2O)(OH)], where phn =phenanthroline, iso= isovanillic , and N-(9-(2-(((4-((1,10-phen ...
Modificação das propriedades estruturais, morfológicas e ópticas do Ag3PO4 e Ag2-2xZnxWO4(0≤ x ≤ 0.25)
(Universidade Federal de São Carlos, 2019-11-06)
Phosphates and tungstates are important compounds and known mainly for their photocatalytic and photoluminescent properties. The present work proposes a study of the structural, morphological and photoluminescent properties ...
Impressão 3D de compósitos de fosfatos de cálcio com poli (ácido lático) para aplicações biomédicas
(Universidade Federal de São Carlos, 2017-03-10)
The present work was carried out to analyze the viability of the 3D printing technique for the production of ceramic/polymer composites with bioabsorbable characteristics and both physical-chemical and mechanical properties ...
Estudo do método de obtenção de membranas assimétricas de polietersulfona contendo complexos de polieletrólitos
(Universidade Federal de São Carlos, 2020-04-03)
Compared with traditional separation methods, polymeric membranes have low operation cost, fast separation rate and versatility. One interesting way of changing membrane properties is mixing additives into the polymeric ...
Síntese e caracterização de vanadatos de prata e formação de nanopartículas de prata por eletro-Irradiação
(Universidade Federal de São Carlos, 2018-02-19)
Due to its physico-chemical, bactericidal and photocatalytic properties, Silver vanadium oxides (SVOs) have attracted increasing attention due to their excellent physicochemical properties and diverse applications. The aim ...
Laser-induced breakdown spectroscopy (LIBS), wavelength dispersive x-ray fluorescence (WDXRF) and chemometrics: possibilities for analytical applications in food analysis
(Universidade Federal de São Carlos, 2020-07-14)
This PhD thesis proposes evaluation of the possibilities and analytical applications of the laser-induced breakdown spectroscopy (LIBS) and wavelength dispersive x-ray fluorescence (WDXRF) techniques for the determination ...
Desenvolvimento de metodologias de divulgação científica por meio de pesquisa e produção de mangás
(Universidade Federal de São Carlos, 2020-05-27)
Science communication can be defined as any practice that proposes to spread the science to the public, with the purpose of arousing interest and motivation in science, as well as informing and disseminating scientific ...
Estudo da série LaNi1-xFexO3 e folhas de grafite pirolítico em reações de desprendimento de oxigênio
(Universidade Federal de São Carlos, 2020-04-17)
Due to the critical need to change from fossil to renewable fuels, the perovskite oxide structures emerge as an important class of materials due to its activity in photovoltaic cells, photocatalysis, photoelectrochemical ...